/***********************************************************************
 * Copyright (c) 2004 Actuate Corporation.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 * Actuate Corporation - initial API and implementation
 ***********************************************************************/

package org.eclipse.birt.chart.model;

import org.eclipse.birt.chart.model.attribute.ChartDimension;
import org.eclipse.birt.chart.model.attribute.ExtendedProperty;
import org.eclipse.birt.chart.model.attribute.Interactivity;
import org.eclipse.birt.chart.model.attribute.StyleMap;
import org.eclipse.birt.chart.model.attribute.Text;
import org.eclipse.birt.chart.model.component.Label;
import org.eclipse.birt.chart.model.data.SampleData;
import org.eclipse.birt.chart.model.data.SeriesDefinition;
import org.eclipse.birt.chart.model.layout.Block;
import org.eclipse.birt.chart.model.layout.Legend;
import org.eclipse.birt.chart.model.layout.Plot;
import org.eclipse.birt.chart.model.layout.TitleBlock;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EObject;

/**
 * <!-- begin-user-doc --> A representation of the model object '<em><b>Chart</b></em>'. <!-- end-user-doc -->
 *
 * <!-- begin-model-doc -->
 * This is the basic type from which all charts should be extended. It defines the basic elements that are 
 * expected to be present for all charts.
 * 			
 * <!-- end-model-doc -->
 *
 * <p>
 * The following features are supported:
 * <ul>
 *   <li>{@link org.eclipse.birt.chart.model.Chart#getVersion <em>Version</em>}</li>
 *   <li>{@link org.eclipse.birt.chart.model.Chart#getType <em>Type</em>}</li>
 *   <li>{@link org.eclipse.birt.chart.model.Chart#getSubType <em>Sub Type</em>}</li>
 *   <li>{@link org.eclipse.birt.chart.model.Chart#getDescription <em>Description</em>}</li>
 *   <li>{@link org.eclipse.birt.chart.model.Chart#getBlock <em>Block</em>}</li>
 *   <li>{@link org.eclipse.birt.chart.model.Chart#getDimension <em>Dimension</em>}</li>
 *   <li>{@link org.eclipse.birt.chart.model.Chart#getScript <em>Script</em>}</li>
 *   <li>{@link org.eclipse.birt.chart.model.Chart#getUnits <em>Units</em>}</li>
 *   <li>{@link org.eclipse.birt.chart.model.Chart#getSeriesThickness <em>Series Thickness</em>}</li>
 *   <li>{@link org.eclipse.birt.chart.model.Chart#getGridColumnCount <em>Grid Column Count</em>}</li>
 *   <li>{@link org.eclipse.birt.chart.model.Chart#getExtendedProperties <em>Extended Properties</em>}</li>
 *   <li>{@link org.eclipse.birt.chart.model.Chart#getSampleData <em>Sample Data</em>}</li>
 *   <li>{@link org.eclipse.birt.chart.model.Chart#getStyles <em>Styles</em>}</li>
 *   <li>{@link org.eclipse.birt.chart.model.Chart#getInteractivity <em>Interactivity</em>}</li>
 *   <li>{@link org.eclipse.birt.chart.model.Chart#getEmptyMessage <em>Empty Message</em>}</li>
 * </ul>
 * </p>
 *
 * @see org.eclipse.birt.chart.model.ModelPackage#getChart()
 * @model extendedMetaData="name='Chart' kind='elementOnly'"
 * @generated
 */
public interface Chart extends EObject
{

	/** The current chart version, the number should be modified when chart mode is updated. */
	public static final String VERSION = "2.5.0"; //$NON-NLS-1$

	/**
	 * Returns the value of the '<em><b>Version</b></em>' attribute. The default value is <code>"1.0.0"</code>.
	 * <!-- begin-user-doc --> <!-- end-user-doc --> <!-- begin-model-doc -->
	 * 
	 * Specifies the version number of this chart.
	 * 
	 * <!-- end-model-doc -->
	 * 
	 * @return the value of the '<em>Version</em>' attribute.
	 * @see #isSetVersion()
	 * @see #unsetVersion()
	 * @see #setVersion(String)
	 * @see org.eclipse.birt.chart.model.ModelPackage#getChart_Version()
	 * @model default="1.0.0" unique="false" unsettable="true" dataType="org.eclipse.emf.ecore.xml.type.String"
	 *        required="true"
	 * @generated
	 */
	String getVersion( );

	/**
	 * Sets the value of the '{@link org.eclipse.birt.chart.model.Chart#getVersion <em>Version</em>}' attribute. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @param value
	 *            the new value of the '<em>Version</em>' attribute.
	 * @see #isSetVersion()
	 * @see #unsetVersion()
	 * @see #getVersion()
	 * @generated
	 */
	void setVersion( String value );

	/**
	 * Unsets the value of the '{@link org.eclipse.birt.chart.model.Chart#getVersion <em>Version</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #isSetVersion()
	 * @see #getVersion()
	 * @see #setVersion(String)
	 * @generated
	 */
	void unsetVersion( );

	/**
	 * Returns whether the value of the '{@link org.eclipse.birt.chart.model.Chart#getVersion <em>Version</em>}' attribute is set.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return whether the value of the '<em>Version</em>' attribute is set.
	 * @see #unsetVersion()
	 * @see #getVersion()
	 * @see #setVersion(String)
	 * @generated
	 */
	boolean isSetVersion( );

	/**
	 * Returns the value of the '<em><b>Type</b></em>' attribute. <!-- begin-user-doc --> Gets the type of this
	 * chart. <!-- end-user-doc --> <!-- begin-model-doc -->
	 * 
	 * Specifies the type of this chart.
	 * 
	 * <!-- end-model-doc -->
	 * 
	 * @return the value of the '<em>Type</em>' attribute.
	 * @see #setType(String)
	 * @see org.eclipse.birt.chart.model.ModelPackage#getChart_Type()
	 * @model unique="false" dataType="org.eclipse.emf.ecore.xml.type.String" required="true"
	 * @generated
	 */
	String getType( );

	/**
	 * Sets the value of the '{@link org.eclipse.birt.chart.model.Chart#getType <em>Type</em>}' attribute. <!--
	 * begin-user-doc --> Sets the type of this chart. This is primarily used in the UI to enable re-entrant dialogs.
	 * <!-- end-user-doc -->
	 * 
	 * @param value
	 *            the new value of the '<em>Type</em>' attribute.
	 * @see #getType()
	 * @generated
	 */
	void setType( String value );

	/**
	 * Returns the value of the '<em><b>Sub Type</b></em>' attribute. <!-- begin-user-doc --> Gets the sub-type of
	 * this chart. <!-- end-user-doc --> <!-- begin-model-doc -->
	 * 
	 * Specifies the sub-type of this chart.
	 * 
	 * <!-- end-model-doc -->
	 * 
	 * @return the value of the '<em>Sub Type</em>' attribute.
	 * @see #setSubType(String)
	 * @see org.eclipse.birt.chart.model.ModelPackage#getChart_SubType()
	 * @model unique="false" dataType="org.eclipse.emf.ecore.xml.type.String" required="true"
	 * @generated
	 */
	String getSubType( );

	/**
	 * Sets the value of the '{@link org.eclipse.birt.chart.model.Chart#getSubType <em>Sub Type</em>}' attribute. <!--
	 * begin-user-doc --> Sets the sub-type of this chart. This is primarily used in the UI to enable re-entrant
	 * dialogs. <!-- end-user-doc -->
	 * 
	 * @param value
	 *            the new value of the '<em>Sub Type</em>' attribute.
	 * @see #getSubType()
	 * @generated
	 */
	void setSubType( String value );

	/**
	 * Returns the value of the '<em><b>Description</b></em>' containment reference. <!-- begin-user-doc --> Gets
	 * the description string for the chart. <!-- end-user-doc --> <!-- begin-model-doc -->
	 * 
	 * Description of the chart...could be used as tooltip value for example.
	 * 
	 * <!-- end-model-doc -->
	 * 
	 * @return the value of the '<em>Description</em>' containment reference.
	 * @see #setDescription(Text)
	 * @see org.eclipse.birt.chart.model.ModelPackage#getChart_Description()
	 * @model containment="true" resolveProxies="false"
	 * @generated
	 */
	Text getDescription( );

	/**
	 * Sets the value of the '{@link org.eclipse.birt.chart.model.Chart#getDescription <em>Description</em>}' containment reference.
	 * <!-- begin-user-doc --> Sets the description string for the chart. <!-- end-user-doc -->
	 * @param value the new value of the '<em>Description</em>' containment reference.
	 * @see #getDescription()
	 * @generated
	 */
	void setDescription( Text value );

	/**
	 * Returns the value of the '<em><b>Block</b></em>' containment reference. <!-- begin-user-doc --> Gets the
	 * {@link org.eclipse.birt.chart.model.layout.Block}instance for the chart. <!-- end-user-doc --> <!--
	 * begin-model-doc -->
	 * 
	 * Defines a virtual entity that is independent of any chart element, but contains them and can be moved around in
	 * the chart area for rendering.
	 * 
	 * <!-- end-model-doc -->
	 * 
	 * @return the value of the '<em>Block</em>' containment reference.
	 * @see #setBlock(Block)
	 * @see org.eclipse.birt.chart.model.ModelPackage#getChart_Block()
	 * @model containment="true" resolveProxies="false" required="true"
	 * @generated
	 */
	Block getBlock( );

	/**
	 * Sets the value of the '{@link org.eclipse.birt.chart.model.Chart#getBlock <em>Block</em>}' containment reference.
	 * <!-- begin-user-doc --> Sets the {@link org.eclipse.birt.chart.model.layout.Block}instance
	 * representing the chart as a whole. <!-- end-user-doc -->
	 * @param value the new value of the '<em>Block</em>' containment reference.
	 * @see #getBlock()
	 * @generated
	 */
	void setBlock( Block value );

	/**
	 * Returns the value of the '<em><b>Dimension</b></em>' attribute. The default value is
	 * <code>"Two_Dimensional"</code>. The literals are from the enumeration
	 * {@link org.eclipse.birt.chart.model.attribute.ChartDimension}. <!-- begin-user-doc --> Gets the dimensions for
	 * the chart. The dimensions here are essentially an indicator of how the chart will appear when rendered and do not
	 * have a bearing on the number of variables or facets to the data. <!-- end-user-doc --> <!-- begin-model-doc -->
	 * 
	 * Defines the dimensions the chart has.
	 * 
	 * <!-- end-model-doc -->
	 * 
	 * @return the value of the '<em>Dimension</em>' attribute.
	 * @see org.eclipse.birt.chart.model.attribute.ChartDimension
	 * @see #isSetDimension()
	 * @see #unsetDimension()
	 * @see #setDimension(ChartDimension)
	 * @see org.eclipse.birt.chart.model.ModelPackage#getChart_Dimension()
	 * @model default="Two_Dimensional" unique="false" unsettable="true" required="true"
	 * @generated
	 */
	ChartDimension getDimension( );

	/**
	 * Sets the value of the '{@link org.eclipse.birt.chart.model.Chart#getDimension <em>Dimension</em>}' attribute.
	 * <!-- begin-user-doc --> Sets the dimensions for this chart. <!-- end-user-doc -->
	 * @param value the new value of the '<em>Dimension</em>' attribute.
	 * @see org.eclipse.birt.chart.model.attribute.ChartDimension
	 * @see #isSetDimension()
	 * @see #unsetDimension()
	 * @see #getDimension()
	 * @generated
	 */
	void setDimension( ChartDimension value );

	/**
	 * Unsets the value of the '{@link org.eclipse.birt.chart.model.Chart#getDimension <em>Dimension</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #isSetDimension()
	 * @see #getDimension()
	 * @see #setDimension(ChartDimension)
	 * @generated
	 */
	void unsetDimension( );

	/**
	 * Returns whether the value of the '{@link org.eclipse.birt.chart.model.Chart#getDimension <em>Dimension</em>}' attribute is set.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return whether the value of the '<em>Dimension</em>' attribute is set.
	 * @see #unsetDimension()
	 * @see #getDimension()
	 * @see #setDimension(ChartDimension)
	 * @generated
	 */
	boolean isSetDimension( );

	/**
	 * Returns the value of the '<em><b>Script</b></em>' attribute. <!-- begin-user-doc --> Gets the script text
	 * associated with the chart. <!-- end-user-doc --> <!-- begin-model-doc -->
	 * 
	 * Holds the script for the chart.
	 * 
	 * <!-- end-model-doc -->
	 * 
	 * @return the value of the '<em>Script</em>' attribute.
	 * @see #setScript(String)
	 * @see org.eclipse.birt.chart.model.ModelPackage#getChart_Script()
	 * @model unique="false" dataType="org.eclipse.emf.ecore.xml.type.String" required="true"
	 * @generated
	 */
	String getScript( );

	/**
	 * Sets the value of the '{@link org.eclipse.birt.chart.model.Chart#getScript <em>Script</em>}' attribute. <!--
	 * begin-user-doc --> Sets the script text associated with the chart. For the script contents to be used at runtime
	 * a mechanism will need to be in place that understands and can evaluate the contents of the script. <!--
	 * end-user-doc -->
	 * 
	 * @param value
	 *            the new value of the '<em>Script</em>' attribute.
	 * @see #getScript()
	 * @generated
	 */
	void setScript( String value );

	/**
	 * Returns the value of the '<em><b>Units</b></em>' attribute. <!-- begin-user-doc --> Gets the Units of
	 * Measurement being used for this chart. <!-- end-user-doc --> <!-- begin-model-doc -->
	 * 
	 * Holds the units of measurement for the model.
	 * 
	 * <!-- end-model-doc -->
	 * 
	 * @return the value of the '<em>Units</em>' attribute.
	 * @see #setUnits(String)
	 * @see org.eclipse.birt.chart.model.ModelPackage#getChart_Units()
	 * @model unique="false" dataType="org.eclipse.emf.ecore.xml.type.String"
	 * @generated
	 */
	String getUnits( );

	/**
	 * Sets the value of the '{@link org.eclipse.birt.chart.model.Chart#getUnits <em>Units</em>}' attribute. <!--
	 * begin-user-doc --> Sets the Units of Measurement to be used for this chart. <!-- end-user-doc -->
	 * 
	 * @param value
	 *            the new value of the '<em>Units</em>' attribute.
	 * @see #getUnits()
	 * @generated
	 */
	void setUnits( String value );

	/**
	 * Returns the value of the '<em><b>Series Thickness</b></em>' attribute. <!-- begin-user-doc --> Gets the
	 * series thickness as a percentage. This is the thickness used to render the shape representing the series when the
	 * chart is rendered in 3D or 2D with Depth formats. <!-- end-user-doc --> <!-- begin-model-doc -->
	 * 
	 * Specifies the thickness to be used while rendering the chart with depth or in 3D.
	 * 
	 * <!-- end-model-doc -->
	 * 
	 * @return the value of the '<em>Series Thickness</em>' attribute.
	 * @see #isSetSeriesThickness()
	 * @see #unsetSeriesThickness()
	 * @see #setSeriesThickness(double)
	 * @see org.eclipse.birt.chart.model.ModelPackage#getChart_SeriesThickness()
	 * @model unique="false" unsettable="true" dataType="org.eclipse.birt.chart.model.attribute.Percentage"
	 * @generated
	 */
	double getSeriesThickness( );

	/**
	 * Sets the value of the '{@link org.eclipse.birt.chart.model.Chart#getSeriesThickness <em>Series Thickness</em>}' attribute.
	 * <!-- begin-user-doc --> Sets the series thickness as a percentage. This is the thickness used to
	 * render the shape representing the series when the chart is rendered in 3D or 2D with Depth formats. <!--
	 * end-user-doc -->
	 * @param value the new value of the '<em>Series Thickness</em>' attribute.
	 * @see #isSetSeriesThickness()
	 * @see #unsetSeriesThickness()
	 * @see #getSeriesThickness()
	 * @generated
	 */
	void setSeriesThickness( double value );

	/**
	 * Unsets the value of the '{@link org.eclipse.birt.chart.model.Chart#getSeriesThickness <em>Series Thickness</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #isSetSeriesThickness()
	 * @see #getSeriesThickness()
	 * @see #setSeriesThickness(double)
	 * @generated
	 */
	void unsetSeriesThickness( );

	/**
	 * Returns whether the value of the '
	 * {@link org.eclipse.birt.chart.model.Chart#getSeriesThickness <em>Series Thickness</em>}' attribute is set. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @return whether the value of the '<em>Series Thickness</em>' attribute is set.
	 * @see #unsetSeriesThickness()
	 * @see #getSeriesThickness()
	 * @see #setSeriesThickness(double)
	 * @generated
	 */
	boolean isSetSeriesThickness( );

	/**
	 * Returns the value of the '<em><b>Grid Column Count</b></em>' attribute. <!-- begin-user-doc --> <!--
	 * end-user-doc --> <!-- begin-model-doc -->
	 * 
	 * Specifies the number of columns to use if multiple series are to be plotted in a single chart.
	 * 
	 * <!-- end-model-doc -->
	 * 
	 * @return the value of the '<em>Grid Column Count</em>' attribute.
	 * @see #isSetGridColumnCount()
	 * @see #unsetGridColumnCount()
	 * @see #setGridColumnCount(int)
	 * @see org.eclipse.birt.chart.model.ModelPackage#getChart_GridColumnCount()
	 * @model unique="false" unsettable="true" dataType="org.eclipse.emf.ecore.xml.type.Int" required="true"
	 * @generated
	 */
	int getGridColumnCount( );

	/**
	 * Sets the value of the '{@link org.eclipse.birt.chart.model.Chart#getGridColumnCount <em>Grid Column Count</em>}' attribute.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @param value the new value of the '<em>Grid Column Count</em>' attribute.
	 * @see #isSetGridColumnCount()
	 * @see #unsetGridColumnCount()
	 * @see #getGridColumnCount()
	 * @generated
	 */
	void setGridColumnCount( int value );

	/**
	 * Unsets the value of the '
	 * {@link org.eclipse.birt.chart.model.Chart#getGridColumnCount <em>Grid Column Count</em>}' attribute. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @see #isSetGridColumnCount()
	 * @see #getGridColumnCount()
	 * @see #setGridColumnCount(int)
	 * @generated
	 */
	void unsetGridColumnCount( );

	/**
	 * Returns whether the value of the '
	 * {@link org.eclipse.birt.chart.model.Chart#getGridColumnCount <em>Grid Column Count</em>}' attribute is set. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @return whether the value of the '<em>Grid Column Count</em>' attribute is set.
	 * @see #unsetGridColumnCount()
	 * @see #getGridColumnCount()
	 * @see #setGridColumnCount(int)
	 * @generated
	 */
	boolean isSetGridColumnCount( );

	/**
	 * Returns the value of the '<em><b>Extended Properties</b></em>' containment reference list. The list contents
	 * are of type {@link org.eclipse.birt.chart.model.attribute.ExtendedProperty}. <!-- begin-user-doc --> <!--
	 * end-user-doc --> <!-- begin-model-doc -->
	 * 
	 * Holds a generic list of properties (as name-value pairs) for minor extensions to the chart. Preferred way to add
	 * properties remains through modification of schema.
	 * 
	 * <!-- end-model-doc -->
	 * 
	 * @return the value of the '<em>Extended Properties</em>' containment reference list.
	 * @see org.eclipse.birt.chart.model.ModelPackage#getChart_ExtendedProperties()
	 * @model type="org.eclipse.birt.chart.model.attribute.ExtendedProperty" containment="true" resolveProxies="false"
	 *        required="true"
	 * @generated
	 */
	EList<ExtendedProperty> getExtendedProperties( );

	/**
	 * Returns the value of the '<em><b>Sample Data</b></em>' containment reference. <!-- begin-user-doc --> Gets
	 * the sample data for the chart. The sample data is used to display the chart at design-time e.g. in the Preview
	 * window of the Chart Builder. <!-- end-user-doc --> <!-- begin-model-doc -->
	 * 
	 * Holds a collection of sample values for use by the chart. This type is likely to be highly version dependent.
	 * 
	 * <!-- end-model-doc -->
	 * 
	 * @return the value of the '<em>Sample Data</em>' containment reference.
	 * @see #setSampleData(SampleData)
	 * @see org.eclipse.birt.chart.model.ModelPackage#getChart_SampleData()
	 * @model containment="true" resolveProxies="false"
	 * @generated
	 */
	SampleData getSampleData( );

	/**
	 * Sets the value of the '{@link org.eclipse.birt.chart.model.Chart#getSampleData <em>Sample Data</em>}' containment reference.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @param value the new value of the '<em>Sample Data</em>' containment reference.
	 * @see #getSampleData()
	 * @generated
	 */
	void setSampleData( SampleData value );

	/**
	 * Returns the value of the '<em><b>Styles</b></em>' containment reference list.
	 * The list contents are of type {@link org.eclipse.birt.chart.model.attribute.StyleMap}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * 
	 * 						Holds a collection of style maps for use by the
	 * 						chart.
	 * 					
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Styles</em>' containment reference list.
	 * @see org.eclipse.birt.chart.model.ModelPackage#getChart_Styles()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='Styles'"
	 * @generated
	 */
	EList<StyleMap> getStyles( );

	/**
	 * Returns the value of the '<em><b>Interactivity</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * 
	 * 						Holds the settings for interacive features.
	 * 					
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Interactivity</em>' containment reference.
	 * @see #setInteractivity(Interactivity)
	 * @see org.eclipse.birt.chart.model.ModelPackage#getChart_Interactivity()
	 * @model containment="true" required="true"
	 *        extendedMetaData="kind='element' name='Interactivity'"
	 * @generated
	 */
	Interactivity getInteractivity( );

	/**
	 * Sets the value of the '{@link org.eclipse.birt.chart.model.Chart#getInteractivity <em>Interactivity</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Interactivity</em>' containment reference.
	 * @see #getInteractivity()
	 * @generated
	 */
	void setInteractivity( Interactivity value );

	/**
	 * Returns the value of the '<em><b>Empty Message</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * 
	 * 						Provides the message text to be displayed in the place
	 * 						of plot area when the chart contains no data. By default,
	 * 						it's visible is faulse, which indicates if the chart contains
	 * 						no data, the whole chart will be hide.
	 * 					
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Empty Message</em>' containment reference.
	 * @see #setEmptyMessage(Label)
	 * @see org.eclipse.birt.chart.model.ModelPackage#getChart_EmptyMessage()
	 * @model containment="true"
	 *        extendedMetaData="kind='element' name='EmptyMessage'"
	 * @generated
	 */
	Label getEmptyMessage( );

	/**
	 * Sets the value of the '{@link org.eclipse.birt.chart.model.Chart#getEmptyMessage <em>Empty Message</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Empty Message</em>' containment reference.
	 * @see #getEmptyMessage()
	 * @generated
	 */
	void setEmptyMessage( Label value );

	/**
	 * Convenience method that gets the Legend Block for the chart.
	 * 
	 * Note: Manually written
	 * 
	 * @return Legend The layout block that represents the legend area in the chart.
	 */
	Legend getLegend( );

	/**
	 * Convenience method that gets the Plot Block for the chart.
	 * 
	 * Note: Manually written
	 * 
	 * @return Plot The layout block that represents the plot area in the chart.
	 */
	Plot getPlot( );

	/**
	 * Convenience method that gets the Title Block for the chart.
	 * 
	 * Note: Manually written
	 * 
	 * @return TitleBlock The layout block that represents the title area in the chart.
	 */
	TitleBlock getTitle( );

	/**
	 * This method returns all series whose captions/markers are to be rendered in the Legend content
	 * 
	 * @return
	 */
	SeriesDefinition[] getSeriesForLegend( );

	/**
	 * This method walks through the model and clears specific model sections that are not required at deployment time.
	 * 
	 * @param iSectionType
	 *            Possible values are IConstants.RUN_TIME and IConstants.USER_INTERFACE
	 */
	void clearSections( int iSectionType );

	/**
	 * Builds runtime series instances for each design-time series based on the sample data contained in the model
	 */
	void createSampleRuntimeSeries( );

	/**
	 * A convenient method to get an instance copy. This is much faster than the
	 * ECoreUtil.copy().
	 */
	Chart copyInstance( );

} // Chart
